Home / 18,723,232.80-28,084,849.20-15,322,010.40

Finding the Fourth Proportional to 18,723,232.80, 28,084,849.20 and 15,322,010.40

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Solution

The fourth proportional to 18,723,232.80, 28,084,849.20 and 15,322,010.40 is: 22,983,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723,232.80 : 28,084,849.20 = 15,322,010.40 : x
  2. Step 2: Convert to fraction form
    18,723,232.80/28,084,849.20 = 15,322,010.40/x
  3. Step 3: Cross multiply
    18,723,232.80x = 28,084,849.20 × 15,322,010.40
  4. Step 4: Simplify right side
    18,723,232.80x = 430,316,351,524,831.69
  5. Step 5: Solve for x
    x = 430,316,351,524,831.69/18,723,232.80
  6. Step 6: Final answer
    x = 22,983,015.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.